Multigang Design Example
Multigang Installations for Designer- and Traditional-Style Controls
For Architectural-Style Controls, see Multigang Design Example, pg.42.
Design Steps
Example
1 Determine the load
on each control
A home office has two zones of light. Three 50W magnetic low-voltage (MLV)
downlights illuminate the computer desk. Using the UL efficiency limit
of 80%, this is a 187.5VA load (150W / 80% = 187.5VA). The central office
lighting is provided by four 75W incandescent downlights.
Record load type and
calculate the load capacity
for each dimmer
(4) 75W Incandescent Downlights
4 x 75W = 300W
2 Position the controls
Sketch the position of each
control along the wall and
record if it has one or two
fins/side sections removed
(3) Magnetic Low-Voltage Downlights
3 x 50W = 150W
150W / 80% = 187.5VA
Control of both zones will be mounted under a common
wallplate near the entrance. Each control has 1 fin broken.
187.5VA Magnetic Low Voltage,
1 fin broken
300W Incandescent,
1 fin broken
3 Select the controls
Choose the control family
based on style, features,
and colors/finishes
Use the derating chart on the
next page to determine the
capacity of multigang dimmers
with the side sections removed
The Diva® preset control family was selected.
A DVLV-600P- with 1 fin broken has a 500VA capacity
(sufficient for the 187.5VA load).
A DV-600P- with 1 fin broken has a 500W capacity
(sufficient for the 300W load).
(1) DVLV-600P-WH
(1) DV-600P-WH
Use Interfaces as needed. pg.184
4 Select accessories and
multigang wallplates
Designer Accessories
and Wallplates, pg.76
Claro wallplate are being used for a screwless, seamless appearance.
(1) CW-2-WH
Fassada™ Fashion
Wallplates, pg.100
Consider engraved wallplates,
contact Lutron Customer Service
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Technical Support • 24 Hours/7 Days • 1·800·523·9466 • www.lutron.com
Ganging and Derating Chart
These controls have fins/side sections that must be removed when ganged. Removing this metal
reduces the heat the control can dissipate, thus reducing the control wattage capacity (derating).
FULL Capacity
NO FINS BROKEN
No fins/side
sections removed
Load Type
Incandescent
1
Dual Slide Dimmers
Electronic Low Voltage
Magnetic Low Voltage
1
Fluorescent
Hi-lume®
Diva®, Skylark®, Ariadni®
Spacer System™
Tu-Wire® 2
Non-Dim
DERATED Capacities
ONE FIN BROKEN
BOTH FINS BROKEN
One fin/side section
Two fins/side sections
removed from each control removed from center control
600W
1000W
500W
800W
400W
650W
300W/300W
250W/250W
200W/200W
300W
500W
600W
250W
450W
500W
200W
400W
400W
600VA (450W)
1000VA (800W)
500VA (400W)
800VA (650W)
400VA (300W)
650VA (500W)
6A
8A
20 Ballasts/6A
5A
6A
No Derating Required
No Derating Required
20 Ballasts/5A
4A
5A
No Derating Required
No Derating Required
20 Ballasts/3.5A
3.3A
3.5A
1.5A
No Derating Required
No Derating Required
Dimmers and Fan Controls
Derating Requirements for Designer- and Traditional-Style Controls
Fan Controls
Quiet 3-Speed
3
Fully Variable
5A
4A
3A
Fan/Light Controls
+
Quiet 3-Speed
+
Fully Variable
3
4
1.5A/300W
1.5A/360W
No Derating Required
No Derating Required
No Derating Required
No Derating Required
2.5A/300W
2.1A/250W
1.7A/200W
6A Light or 3A Fan
8A Light or 3A Fan
6A Fluorescent
5A Light or 3A Fan
6.5A Light or 3A Fan
5A Fluorescent
3.5A Light or 3A Fan
5A Light or 3A Fan
3.5A Fluorescent
Electronic Switches
Faedra™
Maestro®
Spacer System™
1 Minimum loads: 40W for Spacer, Maestro, and Faedra dimmers; 60W for Spacer System dimmers. 2 Minimum capacity: 2 ballasts and 0.25A.
3 For use with one ceiling paddle fan; prevents fan motor hum. 4 Total fan plus light load may not exceed 2.5A.
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